Electric Insulativity Test Checker This Megohm meter can also measures AC high volt 1V~750V, Frequency
Range: 40Hz~400Hz, with high voltage measurement LED warning. Ideal for measuring insulation resistance in high-voltage electrical equipment, electricity wiring cable
2 YEARS QUALITY WARRANTYBT-6688B 1999 Counts Megameter suitable for measuring the insulation resistance of various electrical equipment and insulating materials such as transformers, motors, cables, switches, electrical appliances, etc. Backed for 1 year warranty for worry-free purchase!